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<div class="title">vgatextcontroller.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#include &lt;stdint.h&gt;</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &lt;stddef.h&gt;</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;soc/i2s_struct.h&quot;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;soc/i2s_reg.h&quot;</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;driver/periph_ctrl.h&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#include &quot;rom/lldesc.h&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#include &quot;soc/rtc.h&quot;</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="fabutils_8h.html">fabutils.h</a>&quot;</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="vgatextcontroller_8h.html">vgatextcontroller.h</a>&quot;</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="swgenerator_8h.html">devdrivers/swgenerator.h</a>&quot;</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacefabgl.html">fabgl</a> {</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment">// statics</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">volatile</span> <span class="keywordtype">int</span>        VGATextController::s_scanLine;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;uint32_t            VGATextController::s_blankPatternDWord;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;uint32_t *          VGATextController::s_fgbgPattern = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="keywordtype">int</span>                 VGATextController::s_textRow;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="keywordtype">bool</span>                VGATextController::s_upperRow;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;lldesc_t <span class="keyword">volatile</span> * VGATextController::s_frameResetDesc;</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="preprocessor">#if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  <span class="keyword">volatile</span> uint64_t s_vgatxtcycles = 0;</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;VGATextController::VGATextController()</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;  : m_charData(nullptr),</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    m_map(nullptr),</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    m_cursorEnabled(false),</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    m_cursorCounter(0),</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    m_cursorSpeed(20),</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    m_cursorRow(0),</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    m_cursorCol(0),</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;    m_cursorForeground(0),</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    m_cursorBackground(15)</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;{</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;}</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;VGATextController::~VGATextController()</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  free((<span class="keywordtype">void</span>*)m_charData);</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;}</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a_text_controller_a6935cf763d0d228200f61930f2141095.html#a6935cf763d0d228200f61930f2141095">   59</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_a6935cf763d0d228200f61930f2141095.html#a6935cf763d0d228200f61930f2141095">VGATextController::setTextMap</a>(uint32_t <span class="keyword">const</span> * map, <span class="keywordtype">int</span> rows)</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;{</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="comment">// wait for the end of frame</span></div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  <span class="keywordflow">while</span> (m_map != <span class="keyword">nullptr</span> &amp;&amp; s_scanLine &lt; m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a8e0f8713cd834b7a8e039134405e44e0.html#a8e0f8713cd834b7a8e039134405e44e0">VVisibleArea</a>)</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    ;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  m_rows = rows;</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;  m_map  = map;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;}</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a_text_controller_a93fe2c22583c485ebf4f60081f535cf8.html#a93fe2c22583c485ebf4f60081f535cf8">   69</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_a93fe2c22583c485ebf4f60081f535cf8.html#a93fe2c22583c485ebf4f60081f535cf8">VGATextController::adjustMapSize</a>(<span class="keywordtype">int</span> * columns, <span class="keywordtype">int</span> * rows)</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;{</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;  <span class="keywordflow">if</span> (*columns &gt; 0)</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    *columns = VGATextController_COLUMNS;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;  <span class="keywordflow">if</span> (*rows &gt; VGATextController_ROWS)</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    *rows = VGATextController_ROWS;</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;}</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keywordtype">void</span> VGATextController::init(gpio_num_t VSyncGPIO)</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;{</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;  m_DMABuffers = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;  m_GPIOStream.begin();</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;  <span class="comment">// load font into RAM</span></div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;  <span class="keywordtype">int</span> charDataSize = 256 * FONT_8x14.height * ((FONT_8x14.width + 7) / 8);</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  m_charData = (uint8_t*) heap_caps_malloc(charDataSize, MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL);</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;  memcpy(m_charData, FONT_8x14.data, charDataSize);</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;}</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment">// initializer for 8 colors configuration</span></div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a_text_controller_a406a206bc0e13ee2a48591fcfdae6e22.html#a406a206bc0e13ee2a48591fcfdae6e22">   93</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">VGATextController::begin</a>(gpio_num_t redGPIO, gpio_num_t greenGPIO, gpio_num_t blueGPIO, gpio_num_t HSyncGPIO, gpio_num_t VSyncGPIO)</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;{</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;  init(VSyncGPIO);</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;  <span class="comment">// GPIO configuration for bit 0</span></div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;  setupGPIO(redGPIO,   VGA_RED_BIT,   GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;  setupGPIO(greenGPIO, VGA_GREEN_BIT, GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;  setupGPIO(blueGPIO,  VGA_BLUE_BIT,  GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;  <span class="comment">// GPIO configuration for VSync and HSync</span></div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;  setupGPIO(HSyncGPIO, VGA_HSYNC_BIT, GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;  setupGPIO(VSyncGPIO, VGA_VSYNC_BIT, GPIO_MODE_INPUT_OUTPUT);  <span class="comment">// input/output so can be generated interrupt on falling/rising edge</span></div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;  RGB222::lowBitOnly = <span class="keyword">true</span>;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;  m_bitsPerChannel = 1;</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;}</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment">// initializer for 64 colors configuration</span></div><div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a_text_controller_ada2833a4d6b69eb90c28a273438735d6.html#ada2833a4d6b69eb90c28a273438735d6">  112</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">VGATextController::begin</a>(gpio_num_t red1GPIO, gpio_num_t red0GPIO, gpio_num_t green1GPIO, gpio_num_t green0GPIO, gpio_num_t blue1GPIO, gpio_num_t blue0GPIO, gpio_num_t HSyncGPIO, gpio_num_t VSyncGPIO)</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;{</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;  <a class="code" href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">begin</a>(red0GPIO, green0GPIO, blue0GPIO, HSyncGPIO, VSyncGPIO);</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="comment">// GPIO configuration for bit 1</span></div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  setupGPIO(red1GPIO,   VGA_RED_BIT + 1,   GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  setupGPIO(green1GPIO, VGA_GREEN_BIT + 1, GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;  setupGPIO(blue1GPIO,  VGA_BLUE_BIT + 1,  GPIO_MODE_OUTPUT);</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;  RGB222::lowBitOnly = <span class="keyword">false</span>;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;  m_bitsPerChannel = 2;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;}</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">// initializer for default configuration</span></div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">  127</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">VGATextController::begin</a>()</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;{</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  <a class="code" href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">begin</a>(GPIO_NUM_22, GPIO_NUM_21, GPIO_NUM_19, GPIO_NUM_18, GPIO_NUM_5, GPIO_NUM_4, GPIO_NUM_23, GPIO_NUM_15);</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;}</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="keywordtype">void</span> VGATextController::setCursorForeground(<a class="code" href="group___enumerations_gab87bacfdad76e61b9412d7124be44c1c.html#gab87bacfdad76e61b9412d7124be44c1c">Color</a> value)</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;{</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  m_cursorForeground = (int) value;</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;}</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="keywordtype">void</span> VGATextController::setCursorBackground(<a class="code" href="group___enumerations_gab87bacfdad76e61b9412d7124be44c1c.html#gab87bacfdad76e61b9412d7124be44c1c">Color</a> value)</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;{</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  m_cursorBackground = (int) value;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;}</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="keywordtype">void</span> VGATextController::setupGPIO(gpio_num_t gpio, <span class="keywordtype">int</span> bit, gpio_mode_t mode)</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;{</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  configureGPIO(gpio, mode);</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  gpio_matrix_out(gpio, I2S1O_DATA_OUT0_IDX + bit, <span class="keyword">false</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;}</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classfabgl_1_1_v_g_a_text_controller_a4583a73c34544a3ab09802f045c16664.html#a4583a73c34544a3ab09802f045c16664">  152</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_a4583a73c34544a3ab09802f045c16664.html#a4583a73c34544a3ab09802f045c16664">VGATextController::setResolution</a>(<span class="keywordtype">char</span> <span class="keyword">const</span> * modeline, <span class="keywordtype">int</span> viewPortWidth, <span class="keywordtype">int</span> viewPortHeight, <span class="keywordtype">bool</span> doubleBuffered)</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;{</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  <a class="code" href="structfabgl_1_1_v_g_a_timings.html">VGATimings</a> timings;</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  <span class="keywordflow">if</span> (VGABaseController::convertModelineToTimings(VGATextController_MODELINE, &amp;timings))</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    <a class="code" href="classfabgl_1_1_v_g_a_text_controller_a4583a73c34544a3ab09802f045c16664.html#a4583a73c34544a3ab09802f045c16664">setResolution</a>(timings);</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;}</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="keywordtype">void</span> <a class="code" href="classfabgl_1_1_v_g_a_text_controller_a4583a73c34544a3ab09802f045c16664.html#a4583a73c34544a3ab09802f045c16664">VGATextController::setResolution</a>(<a class="code" href="structfabgl_1_1_v_g_a_timings.html">VGATimings</a> <span class="keyword">const</span>&amp; timings)</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;{</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;  <span class="comment">// setResolution() already called? If so, stop and free buffers</span></div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;  <span class="keywordflow">if</span> (m_DMABuffers) {</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    m_GPIOStream.stop();</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    freeBuffers();</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  }</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  m_timings = timings;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  <span class="comment">// inform base class about screen size</span></div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  setScreenSize(m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aa1b01b3236b56bcedb92a2aab7fa0191.html#aa1b01b3236b56bcedb92a2aab7fa0191">HVisibleArea</a>, m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a8e0f8713cd834b7a8e039134405e44e0.html#a8e0f8713cd834b7a8e039134405e44e0">VVisibleArea</a>);</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  m_HVSync = packHVSync(<span class="keyword">false</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  m_DMABuffersCount = 2 * m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a8e0f8713cd834b7a8e039134405e44e0.html#a8e0f8713cd834b7a8e039134405e44e0">VVisibleArea</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_ad7e6b3d52f2d169aa0d923ff11bf7806.html#ad7e6b3d52f2d169aa0d923ff11bf7806">VFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0432b1f9658d0c0a6d68788993e88a32.html#a0432b1f9658d0c0a6d68788993e88a32">VSyncPulse</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af066ac43dd24f4cb7c53b9638f294cac.html#af066ac43dd24f4cb7c53b9638f294cac">VBackPorch</a>;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  m_DMABuffers = (lldesc_t*) heap_caps_malloc(m_DMABuffersCount * <span class="keyword">sizeof</span>(lldesc_t), MALLOC_CAP_DMA);</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;  m_lines = (uint32_t*) heap_caps_malloc(VGATextController_CHARHEIGHT * VGATextController_WIDTH, MALLOC_CAP_DMA);</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;  <span class="keywordtype">int</span> rawLineWidth = m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">HFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6.html#aeb917c791b595499480dd3ffa9d08aa6">HSyncPulse</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0ac86456ab40fda78e3e2e91adb2dbd5.html#a0ac86456ab40fda78e3e2e91adb2dbd5">HBackPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aa1b01b3236b56bcedb92a2aab7fa0191.html#aa1b01b3236b56bcedb92a2aab7fa0191">HVisibleArea</a>;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  m_blankLine = (uint8_t*) heap_caps_malloc(rawLineWidth, MALLOC_CAP_DMA);</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;  m_syncLine  = (uint8_t*) heap_caps_malloc(rawLineWidth, MALLOC_CAP_DMA);</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;</div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  <span class="comment">// horiz: FRONTPORCH -&gt; SYNC -&gt; BACKPORCH -&gt; VISIBLEAREA</span></div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;  <span class="comment">//</span></div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;  <span class="comment">// vert:  VISIBLEAREA</span></div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;  <span class="comment">//        FRONTPORCH</span></div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;  <span class="comment">//        SYNC</span></div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;  <span class="comment">//        BACKPORCH</span></div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0, visLine = 0, invLine = 0; i &lt; m_DMABuffersCount; ++i) {</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    <span class="keywordflow">if</span> (i &lt; m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a8e0f8713cd834b7a8e039134405e44e0.html#a8e0f8713cd834b7a8e039134405e44e0">VVisibleArea</a> * 2) {</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;      <span class="comment">// first part is the same of a blank line</span></div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;      m_DMABuffers[i].eof          = (visLine == 0 || visLine == VGATextController_CHARHEIGHT / 2 ? 1 : 0);</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;      m_DMABuffers[i].sosf         = 0;</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;      m_DMABuffers[i].offset       = 0;</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;      m_DMABuffers[i].owner        = 1;</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;      m_DMABuffers[i].qe.stqe_next = (lldesc_t*) &amp;m_DMABuffers[i + 1];</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;      m_DMABuffers[i].length       = m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">HFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6.html#aeb917c791b595499480dd3ffa9d08aa6">HSyncPulse</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0ac86456ab40fda78e3e2e91adb2dbd5.html#a0ac86456ab40fda78e3e2e91adb2dbd5">HBackPorch</a>;</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;      m_DMABuffers[i].size         = (m_DMABuffers[i].length + 3) &amp; (~3);</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;      m_DMABuffers[i].buf          = (uint8_t*) m_blankLine;</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;      ++i;</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;      <span class="comment">// second part is the visible line</span></div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;      m_DMABuffers[i].eof          = 0;</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;      m_DMABuffers[i].sosf         = 0;</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;      m_DMABuffers[i].offset       = 0;</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;      m_DMABuffers[i].owner        = 1;</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;      m_DMABuffers[i].qe.stqe_next = (lldesc_t*) &amp;m_DMABuffers[i + 1];</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;      m_DMABuffers[i].length       = m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aa1b01b3236b56bcedb92a2aab7fa0191.html#aa1b01b3236b56bcedb92a2aab7fa0191">HVisibleArea</a>;</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;      m_DMABuffers[i].size         = (m_DMABuffers[i].length + 3) &amp; (~3);</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;      m_DMABuffers[i].buf          = (uint8_t*)(m_lines) + visLine * VGATextController_WIDTH;</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;      ++visLine;</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;      <span class="keywordflow">if</span> (visLine == VGATextController_CHARHEIGHT)</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;        visLine = 0;</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;      <span class="comment">// vertical porchs and sync</span></div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;</div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;      <span class="keywordtype">bool</span> frameResetDesc = (invLine == 0);</div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;      <span class="keywordflow">if</span> (frameResetDesc)</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;        s_frameResetDesc = &amp;m_DMABuffers[i];</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;      m_DMABuffers[i].eof          = (frameResetDesc ? 1 : 0); <span class="comment">// prepare for next frame</span></div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;      m_DMABuffers[i].sosf         = 0;</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;      m_DMABuffers[i].offset       = 0;</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;      m_DMABuffers[i].owner        = 1;</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;      m_DMABuffers[i].qe.stqe_next = (lldesc_t*) (i ==  m_DMABuffersCount - 1 ? &amp;m_DMABuffers[0] : &amp;m_DMABuffers[i + 1]);</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;      m_DMABuffers[i].length       = rawLineWidth;</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;      m_DMABuffers[i].size         = (m_DMABuffers[i].length + 3) &amp; (~3);</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;      <span class="keywordflow">if</span> (invLine &lt; m_timings.VFrontPorch || invLine &gt;= m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_ad7e6b3d52f2d169aa0d923ff11bf7806.html#ad7e6b3d52f2d169aa0d923ff11bf7806">VFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0432b1f9658d0c0a6d68788993e88a32.html#a0432b1f9658d0c0a6d68788993e88a32">VSyncPulse</a>)</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;        m_DMABuffers[i].buf = (uint8_t*) m_blankLine;</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;      <span class="keywordflow">else</span></div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        m_DMABuffers[i].buf = (uint8_t*) m_syncLine;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;</div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;      ++invLine;</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;    }</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;  }</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  fillDMABuffers();</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  s_scanLine = 0;</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  s_blankPatternDWord = m_HVSync | (m_HVSync &lt;&lt; 8) | (m_HVSync &lt;&lt; 16) | (m_HVSync &lt;&lt; 24);</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;  <span class="keywordflow">if</span> (s_fgbgPattern == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    s_fgbgPattern = (uint32_t*) heap_caps_malloc(16384, MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL);</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; 16; ++i)</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">int</span> fg = 0; fg &lt; 16; ++fg)</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> bg = 0; bg &lt; 16; ++bg) {</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;          uint8_t fg_pat = preparePixel(RGB222((<a class="code" href="group___enumerations_gab87bacfdad76e61b9412d7124be44c1c.html#gab87bacfdad76e61b9412d7124be44c1c">Color</a>)fg));</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;          uint8_t bg_pat = preparePixel(RGB222((<a class="code" href="group___enumerations_gab87bacfdad76e61b9412d7124be44c1c.html#gab87bacfdad76e61b9412d7124be44c1c">Color</a>)bg));</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;          s_fgbgPattern[i | (bg &lt;&lt; 4) | (fg &lt;&lt; 8)] = (i &amp; 0b1000 ? (fg_pat &lt;&lt; 16) : (bg_pat &lt;&lt; 16)) |</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;                                                     (i &amp; 0b0100 ? (fg_pat &lt;&lt; 24) : (bg_pat &lt;&lt; 24)) |</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                                                     (i &amp; 0b0010 ? (fg_pat &lt;&lt; 0) : (bg_pat &lt;&lt; 0)) |</div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;                                                     (i &amp; 0b0001 ? (fg_pat &lt;&lt; 8) : (bg_pat &lt;&lt; 8));</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;        }</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;  }</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;</div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;  <span class="comment">// ESP_INTR_FLAG_LEVEL1: should be less than PS2Controller interrupt level, necessary when running on the same core</span></div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;  CoreUsage::setBusiestCore(FABGLIB_VIDEO_CPUINTENSIVE_TASKS_CORE);</div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;  esp_intr_alloc_pinnedToCore(ETS_I2S1_INTR_SOURCE, ESP_INTR_FLAG_LEVEL1 | ESP_INTR_FLAG_IRAM, ISRHandler, <span class="keyword">this</span>, &amp;m_isr_handle, FABGLIB_VIDEO_CPUINTENSIVE_TASKS_CORE);</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;</div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;  m_GPIOStream.play(m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0877761f00ee2460fe16820f9d52daf1.html#a0877761f00ee2460fe16820f9d52daf1">frequency</a>, m_DMABuffers);</div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  I2S1.int_clr.val     = 0xFFFFFFFF;</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;  I2S1.int_ena.out_eof = 1;</div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;}</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="keywordtype">void</span> VGATextController::freeBuffers()</div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;{</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  heap_caps_free( (<span class="keywordtype">void</span>*) m_DMABuffers );</div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;  heap_caps_free((<span class="keywordtype">void</span>*) m_lines);</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  m_DMABuffers = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;  heap_caps_free((<span class="keywordtype">void</span>*) m_blankLine);</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;  heap_caps_free((<span class="keywordtype">void</span>*) m_syncLine);</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;}</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;uint8_t IRAM_ATTR VGATextController::packHVSync(<span class="keywordtype">bool</span> HSync, <span class="keywordtype">bool</span> VSync)</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;{</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;  uint8_t hsync_value = (m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_abca7a90832dc18df785ce1324507d70b.html#abca7a90832dc18df785ce1324507d70b">HSyncLogic</a> == <span class="charliteral">&#39;+&#39;</span> ? (HSync ? 1 : 0) : (HSync ? 0 : 1));</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;  uint8_t vsync_value = (m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_ad9442bd6c59917fcbe5da35c8fc043e9.html#ad9442bd6c59917fcbe5da35c8fc043e9">VSyncLogic</a> == <span class="charliteral">&#39;+&#39;</span> ? (VSync ? 1 : 0) : (VSync ? 0 : 1));</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;  <span class="keywordflow">return</span> (vsync_value &lt;&lt; VGA_VSYNC_BIT) | (hsync_value &lt;&lt; VGA_HSYNC_BIT);</div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;}</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;uint8_t IRAM_ATTR VGATextController::preparePixelWithSync(RGB222 rgb, <span class="keywordtype">bool</span> HSync, <span class="keywordtype">bool</span> VSync)</div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;{</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;  <span class="keywordflow">return</span> packHVSync(HSync, VSync) | (rgb.B &lt;&lt; VGA_BLUE_BIT) | (rgb.G &lt;&lt; VGA_GREEN_BIT) | (rgb.R &lt;&lt; VGA_RED_BIT);</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;}</div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;<span class="keywordtype">void</span> VGATextController::fillDMABuffers()</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;{</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;  <span class="keywordtype">int</span> x = 0;</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;  <span class="keywordflow">for</span> (; x &lt; m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">HFrontPorch</a>; ++x) {</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    VGA_PIXELINROW(m_blankLine, x) = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;    VGA_PIXELINROW(m_syncLine, x)  = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;  }</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;  <span class="keywordflow">for</span> (; x &lt; m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">HFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6.html#aeb917c791b595499480dd3ffa9d08aa6">HSyncPulse</a>; ++x) {</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    VGA_PIXELINROW(m_blankLine, x) = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">true</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    VGA_PIXELINROW(m_syncLine, x)  = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">true</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  }</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;  <span class="keywordflow">for</span> (; x &lt; m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">HFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6.html#aeb917c791b595499480dd3ffa9d08aa6">HSyncPulse</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0ac86456ab40fda78e3e2e91adb2dbd5.html#a0ac86456ab40fda78e3e2e91adb2dbd5">HBackPorch</a>; ++x) {</div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;    VGA_PIXELINROW(m_blankLine, x) = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;    VGA_PIXELINROW(m_syncLine, x)  = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;  }</div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;  <span class="keywordtype">int</span> rawLineWidth = m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">HFrontPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6.html#aeb917c791b595499480dd3ffa9d08aa6">HSyncPulse</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_a0ac86456ab40fda78e3e2e91adb2dbd5.html#a0ac86456ab40fda78e3e2e91adb2dbd5">HBackPorch</a> + m_timings.<a class="code" href="structfabgl_1_1_v_g_a_timings_aa1b01b3236b56bcedb92a2aab7fa0191.html#aa1b01b3236b56bcedb92a2aab7fa0191">HVisibleArea</a>;</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> rx = 0; x &lt; rawLineWidth; ++x, ++rx) {</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    VGA_PIXELINROW(m_blankLine, x) = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;    VGA_PIXELINROW(m_syncLine, x)  = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">true</span>);</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; VGATextController_CHARHEIGHT; ++i)</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;      VGA_PIXELINROW( ((uint8_t*)(m_lines) + i * VGATextController_WIDTH), rx)  = preparePixelWithSync((RGB222){0, 0, 0}, <span class="keyword">false</span>, <span class="keyword">false</span>);</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;  }</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;}</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;</div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="keywordtype">void</span> IRAM_ATTR VGATextController::ISRHandler(<span class="keywordtype">void</span> * arg)</div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;{</div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;<span class="preprocessor">  #if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  <span class="keyword">auto</span> s1 = getCycleCount();</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;<span class="preprocessor">  #endif</span></div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;  VGATextController * ctrl = (VGATextController *) arg;</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;  <span class="keywordflow">if</span> (I2S1.int_st.out_eof &amp;&amp; ctrl-&gt;m_charData != <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;    <span class="keyword">auto</span> desc = (<span class="keyword">volatile</span> lldesc_t*) I2S1.out_eof_des_addr;</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    if (desc == s_frameResetDesc) {</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;      s_scanLine = 0;</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;      s_textRow  = 0;</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;      s_upperRow = <span class="keyword">true</span>;</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;      <span class="keywordflow">if</span> (ctrl-&gt;m_cursorEnabled) {</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;        ++ctrl-&gt;m_cursorCounter;</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;        <span class="keywordflow">if</span> (ctrl-&gt;m_cursorCounter &gt;= ctrl-&gt;m_cursorSpeed)</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;          ctrl-&gt;m_cursorCounter = -ctrl-&gt;m_cursorSpeed;</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;      }</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;      <span class="keywordflow">if</span> (ctrl-&gt;m_map == <span class="keyword">nullptr</span>) {</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;        I2S1.int_clr.val = I2S1.int_st.val;</div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="preprocessor">        #if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;        s_vgatxtcycles += getCycleCount() - s1;</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="preprocessor">        #endif</span></div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;        <span class="keywordflow">return</span>;</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;      }</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (s_scanLine == 0) {</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;      <span class="comment">// out of sync, wait for next frame</span></div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;      I2S1.int_clr.val = I2S1.int_st.val;</div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="preprocessor">      #if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;      s_vgatxtcycles += getCycleCount() - s1;</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;<span class="preprocessor">      #endif</span></div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;      <span class="keywordflow">return</span>;</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;    }</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;    <span class="keywordtype">int</span> scanLine = s_scanLine;</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> lineIndex = scanLine % VGATextController_CHARHEIGHT;</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    <span class="keyword">auto</span> lines = ctrl-&gt;m_lines;</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;    <span class="keywordflow">if</span> (s_textRow &lt; ctrl-&gt;m_rows) {</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;      <span class="keywordtype">int</span> cursorCol = 0;</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;      <span class="keywordtype">int</span> cursorFGBG = 0;</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;      <span class="keyword">const</span> <span class="keyword">auto</span> cursorVisible = (ctrl-&gt;m_cursorEnabled &amp;&amp; ctrl-&gt;m_cursorCounter &gt;= 0 &amp;&amp; s_textRow == ctrl-&gt;m_cursorRow);</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;      <span class="keywordflow">if</span> (cursorVisible) {</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;        cursorCol  = ctrl-&gt;m_cursorCol;</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;        cursorFGBG = (ctrl-&gt;m_cursorForeground &lt;&lt; 4) | (ctrl-&gt;m_cursorBackground &lt;&lt; 8);</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;      }</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;      <span class="keyword">const</span> <span class="keyword">auto</span> charData = ctrl-&gt;m_charData + (s_upperRow ? 0 : VGATextController_CHARHEIGHT / 2);</div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;      <span class="keyword">auto</span> mapItemPtr = ctrl-&gt;m_map + s_textRow * VGATextController_COLUMNS;</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">int</span> col = 0; col &lt; VGATextController_COLUMNS; ++col, ++mapItemPtr) {</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;</div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> mapItem = *mapItemPtr;</div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;        <span class="keywordtype">int</span> fgbg = (mapItem &gt;&gt; 4) &amp; 0b111111110000;</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;</div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;        <span class="keyword">const</span> <span class="keyword">auto</span> options = glyphMapItem_getOptions(mapItem);</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;        <span class="comment">// invert?</span></div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;        <span class="keywordflow">if</span> (options.invert)</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;          fgbg = ((fgbg &gt;&gt; 4) &amp; 0b11110000) | ((fgbg &lt;&lt; 4) &amp; 0b111100000000);</div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;        <span class="comment">// cursor?</span></div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;        <span class="keywordflow">if</span> (cursorVisible &amp;&amp; col == cursorCol)</div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;          fgbg = cursorFGBG;</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;</div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;        uint32_t * dest = lines + lineIndex * VGATextController_WIDTH / <span class="keyword">sizeof</span>(uint32_t) + col * VGATextController_CHARWIDTHBYTES * 2;</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;</div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;        <span class="comment">// blank?</span></div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;        <span class="keywordflow">if</span> (options.blank) {</div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;          <span class="keywordflow">for</span> (<span class="keywordtype">int</span> rowInChar = 0; rowInChar &lt; VGATextController_CHARHEIGHT / 2; ++rowInChar) {</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;            <span class="keywordtype">int</span> v = s_fgbgPattern[fgbg];</div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;            *dest       = v;</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;            *(dest + 1) = v;</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;            dest += VGATextController_WIDTH / <span class="keyword">sizeof</span>(uint32_t);</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;          }</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;</div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;        } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;          <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="displaycontroller_8h_a2656ee44feda5ea3cac87985700be97f.html#a2656ee44feda5ea3cac87985700be97f">underline</a> = (s_upperRow == <span class="keyword">false</span> &amp;&amp; options.underline);</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;          <span class="keyword">const</span> <span class="keywordtype">bool</span> <a class="code" href="displaycontroller_8h_ae74e61e5ecb7b667173a7aa2a38f576a.html#ae74e61e5ecb7b667173a7aa2a38f576a">bold</a>      = options.bold;</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;          <span class="keyword">auto</span> charRowPtr = charData + glyphMapItem_getIndex(mapItem) * VGATextController_CHARHEIGHT * VGATextController_CHARWIDTHBYTES;</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;          <span class="keywordflow">for</span> (<span class="keywordtype">int</span> rowInChar = 0; rowInChar &lt; VGATextController_CHARHEIGHT / 2; ++rowInChar) {</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;            <span class="keyword">auto</span> charRowData = *charRowPtr;</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;            <span class="comment">// bold?</span></div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;            <span class="keywordflow">if</span> (<a class="code" href="displaycontroller_8h_ae74e61e5ecb7b667173a7aa2a38f576a.html#ae74e61e5ecb7b667173a7aa2a38f576a">bold</a>)</div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;              charRowData |= charRowData &gt;&gt; 1;</div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;            *dest       = s_fgbgPattern[(charRowData &gt;&gt; 4)  | fgbg];</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            *(dest + 1) = s_fgbgPattern[(charRowData &amp; 0xF) | fgbg];</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;</div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;            dest += VGATextController_WIDTH / <span class="keyword">sizeof</span>(uint32_t);</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;            charRowPtr += VGATextController_CHARWIDTHBYTES;</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;          }</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;          <span class="comment">// underline?</span></div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;          <span class="keywordflow">if</span> (<a class="code" href="displaycontroller_8h_a2656ee44feda5ea3cac87985700be97f.html#a2656ee44feda5ea3cac87985700be97f">underline</a>) {</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;            dest -= VGATextController_WIDTH / <span class="keyword">sizeof</span>(uint32_t);</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;            uint32_t v = s_fgbgPattern[0xF | fgbg];</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;            *dest       = v;</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;            *(dest + 1) = v;</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;          }</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;</div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;        }</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;      }</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;      <span class="keywordflow">if</span> (s_upperRow) {</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;        s_upperRow = <span class="keyword">false</span>;</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;      } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;        s_upperRow = <span class="keyword">true</span>;</div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;        ++s_textRow;</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;      }</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;    } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; VGATextController_CHARHEIGHT / 2; ++i) {</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;        <span class="keyword">auto</span> dest = lines + ((scanLine + i) % VGATextController_CHARHEIGHT) * VGATextController_WIDTH / <span class="keyword">sizeof</span>(uint32_t);</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; VGATextController_COLUMNS; ++i) {</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;          *dest++ = s_blankPatternDWord;</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;          *dest++ = s_blankPatternDWord;</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;        }</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;      }</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;    }</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;    scanLine += VGATextController_CHARHEIGHT / 2;</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;    s_scanLine = scanLine;</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;  }</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="preprocessor">  #if FABGLIB_VGAXCONTROLLER_PERFORMANCE_CHECK</span></div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;  s_vgatxtcycles += getCycleCount() - s1;</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="preprocessor">  #endif</span></div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;  I2S1.int_clr.val = I2S1.int_st.val;</div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;}</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;}</div><div class="ttc" id="structfabgl_1_1_v_g_a_timings_a0877761f00ee2460fe16820f9d52daf1_html_a0877761f00ee2460fe16820f9d52daf1"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_a0877761f00ee2460fe16820f9d52daf1.html#a0877761f00ee2460fe16820f9d52daf1">fabgl::VGATimings::frequency</a></div><div class="ttdeci">int frequency</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00092">vgabasecontroller.h:92</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_ad9442bd6c59917fcbe5da35c8fc043e9_html_ad9442bd6c59917fcbe5da35c8fc043e9"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_ad9442bd6c59917fcbe5da35c8fc043e9.html#ad9442bd6c59917fcbe5da35c8fc043e9">fabgl::VGATimings::VSyncLogic</a></div><div class="ttdeci">char VSyncLogic</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00102">vgabasecontroller.h:102</a></div></div>
<div class="ttc" id="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2_html_ab0bdf5cca484fb2ba637c39384b27fb2"><div class="ttname"><a href="classfabgl_1_1_v_g_a_text_controller_ab0bdf5cca484fb2ba637c39384b27fb2.html#ab0bdf5cca484fb2ba637c39384b27fb2">fabgl::VGATextController::begin</a></div><div class="ttdeci">void begin()</div><div class="ttdoc">This is the 64 colors (8 GPIOs) initializer using default pinout. </div><div class="ttdef"><b>Definition:</b> <a href="vgatextcontroller_8cpp_source.html#l00127">vgatextcontroller.cpp:127</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_aa1b01b3236b56bcedb92a2aab7fa0191_html_aa1b01b3236b56bcedb92a2aab7fa0191"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_aa1b01b3236b56bcedb92a2aab7fa0191.html#aa1b01b3236b56bcedb92a2aab7fa0191">fabgl::VGATimings::HVisibleArea</a></div><div class="ttdeci">int16_t HVisibleArea</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00093">vgabasecontroller.h:93</a></div></div>
<div class="ttc" id="swgenerator_8h_html"><div class="ttname"><a href="swgenerator_8h.html">swgenerator.h</a></div><div class="ttdoc">This file contains fabgl::GPIOStream definition. </div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_ad7e6b3d52f2d169aa0d923ff11bf7806_html_ad7e6b3d52f2d169aa0d923ff11bf7806"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_ad7e6b3d52f2d169aa0d923ff11bf7806.html#ad7e6b3d52f2d169aa0d923ff11bf7806">fabgl::VGATimings::VFrontPorch</a></div><div class="ttdeci">int16_t VFrontPorch</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00098">vgabasecontroller.h:98</a></div></div>
<div class="ttc" id="group___enumerations_gab87bacfdad76e61b9412d7124be44c1c_html_gab87bacfdad76e61b9412d7124be44c1c"><div class="ttname"><a href="group___enumerations_gab87bacfdad76e61b9412d7124be44c1c.html#gab87bacfdad76e61b9412d7124be44c1c">fabgl::Color</a></div><div class="ttdeci">Color</div><div class="ttdoc">This enum defines named colors. </div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00198">displaycontroller.h:198</a></div></div>
<div class="ttc" id="classfabgl_1_1_v_g_a_text_controller_a93fe2c22583c485ebf4f60081f535cf8_html_a93fe2c22583c485ebf4f60081f535cf8"><div class="ttname"><a href="classfabgl_1_1_v_g_a_text_controller_a93fe2c22583c485ebf4f60081f535cf8.html#a93fe2c22583c485ebf4f60081f535cf8">fabgl::VGATextController::adjustMapSize</a></div><div class="ttdeci">void adjustMapSize(int *columns, int *rows)</div><div class="ttdoc">Adjust columns and rows to the controller limits. </div><div class="ttdef"><b>Definition:</b> <a href="vgatextcontroller_8cpp_source.html#l00069">vgatextcontroller.cpp:69</a></div></div>
<div class="ttc" id="vgatextcontroller_8h_html"><div class="ttname"><a href="vgatextcontroller_8h.html">vgatextcontroller.h</a></div><div class="ttdoc">This file contains fabgl::VGATextController definition. </div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_af066ac43dd24f4cb7c53b9638f294cac_html_af066ac43dd24f4cb7c53b9638f294cac"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_af066ac43dd24f4cb7c53b9638f294cac.html#af066ac43dd24f4cb7c53b9638f294cac">fabgl::VGATimings::VBackPorch</a></div><div class="ttdeci">int16_t VBackPorch</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00100">vgabasecontroller.h:100</a></div></div>
<div class="ttc" id="displaycontroller_8h_a2656ee44feda5ea3cac87985700be97f_html_a2656ee44feda5ea3cac87985700be97f"><div class="ttname"><a href="displaycontroller_8h_a2656ee44feda5ea3cac87985700be97f.html#a2656ee44feda5ea3cac87985700be97f">underline</a></div><div class="ttdeci">uint16_t underline</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00323">displaycontroller.h:323</a></div></div>
<div class="ttc" id="classfabgl_1_1_v_g_a_text_controller_a4583a73c34544a3ab09802f045c16664_html_a4583a73c34544a3ab09802f045c16664"><div class="ttname"><a href="classfabgl_1_1_v_g_a_text_controller_a4583a73c34544a3ab09802f045c16664.html#a4583a73c34544a3ab09802f045c16664">fabgl::VGATextController::setResolution</a></div><div class="ttdeci">void setResolution(char const *modeline=nullptr, int viewPortWidth=-1, int viewPortHeight=-1, bool doubleBuffered=false)</div><div class="ttdoc">Sets fixed resolution. </div><div class="ttdef"><b>Definition:</b> <a href="vgatextcontroller_8cpp_source.html#l00152">vgatextcontroller.cpp:152</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_html"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings.html">fabgl::VGATimings</a></div><div class="ttdoc">Specifies the VGA timings. This is a modeline decoded. </div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00090">vgabasecontroller.h:90</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_abca7a90832dc18df785ce1324507d70b_html_abca7a90832dc18df785ce1324507d70b"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_abca7a90832dc18df785ce1324507d70b.html#abca7a90832dc18df785ce1324507d70b">fabgl::VGATimings::HSyncLogic</a></div><div class="ttdeci">char HSyncLogic</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00101">vgabasecontroller.h:101</a></div></div>
<div class="ttc" id="fabutils_8h_html"><div class="ttname"><a href="fabutils_8h.html">fabutils.h</a></div><div class="ttdoc">This file contains some utility classes and functions. </div></div>
<div class="ttc" id="namespacefabgl_html"><div class="ttname"><a href="namespacefabgl.html">fabgl</a></div><div class="ttdef"><b>Definition:</b> <a href="canvas_8cpp_source.html#l00031">canvas.cpp:31</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_a0ac86456ab40fda78e3e2e91adb2dbd5_html_a0ac86456ab40fda78e3e2e91adb2dbd5"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_a0ac86456ab40fda78e3e2e91adb2dbd5.html#a0ac86456ab40fda78e3e2e91adb2dbd5">fabgl::VGATimings::HBackPorch</a></div><div class="ttdeci">int16_t HBackPorch</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00096">vgabasecontroller.h:96</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_a8e0f8713cd834b7a8e039134405e44e0_html_a8e0f8713cd834b7a8e039134405e44e0"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_a8e0f8713cd834b7a8e039134405e44e0.html#a8e0f8713cd834b7a8e039134405e44e0">fabgl::VGATimings::VVisibleArea</a></div><div class="ttdeci">int16_t VVisibleArea</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00097">vgabasecontroller.h:97</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_a0432b1f9658d0c0a6d68788993e88a32_html_a0432b1f9658d0c0a6d68788993e88a32"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_a0432b1f9658d0c0a6d68788993e88a32.html#a0432b1f9658d0c0a6d68788993e88a32">fabgl::VGATimings::VSyncPulse</a></div><div class="ttdeci">int16_t VSyncPulse</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00099">vgabasecontroller.h:99</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6_html_aeb917c791b595499480dd3ffa9d08aa6"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_aeb917c791b595499480dd3ffa9d08aa6.html#aeb917c791b595499480dd3ffa9d08aa6">fabgl::VGATimings::HSyncPulse</a></div><div class="ttdeci">int16_t HSyncPulse</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00095">vgabasecontroller.h:95</a></div></div>
<div class="ttc" id="classfabgl_1_1_v_g_a_text_controller_a6935cf763d0d228200f61930f2141095_html_a6935cf763d0d228200f61930f2141095"><div class="ttname"><a href="classfabgl_1_1_v_g_a_text_controller_a6935cf763d0d228200f61930f2141095.html#a6935cf763d0d228200f61930f2141095">fabgl::VGATextController::setTextMap</a></div><div class="ttdeci">void setTextMap(uint32_t const *map, int rows)</div><div class="ttdoc">Sets text map to display. </div><div class="ttdef"><b>Definition:</b> <a href="vgatextcontroller_8cpp_source.html#l00059">vgatextcontroller.cpp:59</a></div></div>
<div class="ttc" id="displaycontroller_8h_ae74e61e5ecb7b667173a7aa2a38f576a_html_ae74e61e5ecb7b667173a7aa2a38f576a"><div class="ttname"><a href="displaycontroller_8h_ae74e61e5ecb7b667173a7aa2a38f576a.html#ae74e61e5ecb7b667173a7aa2a38f576a">bold</a></div><div class="ttdeci">uint16_t bold</div><div class="ttdef"><b>Definition:</b> <a href="displaycontroller_8h_source.html#l00318">displaycontroller.h:318</a></div></div>
<div class="ttc" id="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466_html_af8fb8516e4ac5969dfcfd550fcbfe466"><div class="ttname"><a href="structfabgl_1_1_v_g_a_timings_af8fb8516e4ac5969dfcfd550fcbfe466.html#af8fb8516e4ac5969dfcfd550fcbfe466">fabgl::VGATimings::HFrontPorch</a></div><div class="ttdeci">int16_t HFrontPorch</div><div class="ttdef"><b>Definition:</b> <a href="vgabasecontroller_8h_source.html#l00094">vgabasecontroller.h:94</a></div></div>
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